Filter match in line sed

For using match in sed replacement, just border it with '\(' and '\)':
echo Before123 | sed 's/Before\([0-9]*\)/\1After/g'
123After	# number is matched withtin '\( \)' and replaced in '\1'
Example with 2 match replacements
echo a_b | sed 's/\(^.*\)_\(.*$\)/first is \1 and \2 is after/g'

Similar codes

1 vote189 views1 answer
User.home linux
Shell/Bash
5 votes191 views1 answer
Remove sudo from folder
Shell/Bash
0 vote195 views1 answer
NGINX systemd service file
Shell/Bash
13 votes226 views2 answers
Linux file size
Shell/Bash
0 vote259 views1 answer
Linux history delete line
Shell/Bash
0 vote211 views1 answer
Install Deno - Build and install from source using Cargo
Shell/Bash
0 vote192 views1 answer
Hint: Waiting for your editor to close the file... need to run as root or suid
Shell/Bash
1 vote222 views2 answers
How to remove terminator from ubuntu
Shell/Bash
-1 vote187 views1 answer
Wsl2 file location
Shell/Bash
11 votes191 views3 answers
Bash: make: command not found
Shell/Bash